﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class admin_admin : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string usr = (string)Session["usr"];
        if (usr == null)
        {
            Response.Write("<script>alert('请返回到登录界面登录！!');window.open('login.aspx','_parent')</script>");
            Session.Clear();
        }
    }
}